plenum ventilation


a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.

Nearby words

  1. plentiful,
  2. plentitude,
  3. plenty,
  4. plenum,
  5. plenum system,
  6. pleo-,
  7. pleochroic,
  8. pleochroism,
  9. pleocytosis,
  10. pleomastia

Origin of plenum ventilation

First recorded in 1835–45 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019